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планирование_выполнения_заданий
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планирование_выполнения_заданий [2009/03/11 12:48] val |
планирование_выполнения_заданий [2009/07/02 15:29] val |
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| ====== Планирование выполнения заданий ====== | ====== Планирование выполнения заданий ====== | ||
| - | ===== Сервис cron ===== | + | ===== Примеры периодических задач ===== |
| + | ==== Обновление системы ==== | ||
| <code> | <code> | ||
| - | [gX:~] # crontab -e | + | [hostX:~] # freebsd-update fetch |
| - | LANG=ru_RU.KOI8-R | + | </code> |
| - | * * * * * /bin/date > /dev/console | + | |
| - | [gX:~] # crontab -l | + | ==== Обновление дерева портов ==== |
| + | <code> | ||
| + | [hostX:~] # portsnap fetch | ||
| + | </code> | ||
| + | |||
| + | ==== Резервное копирование файлов конфигурации ==== | ||
| + | <code> | ||
| + | [hostX:~] # cat backup.sh | ||
| + | #!/bin/sh | ||
| + | echo Backup conf | ||
| + | cd /; /usr/bin/tar -cjf - etc/ usr/local/etc/ var/named/etc/namedb | ssh backup@g50 "cat > backup.`date '+%Y%m%d'`.tbz" | ||
| + | </code> | ||
| + | или попроще: | ||
| + | <code> | ||
| + | [hostX:~] # cat backup.sh | ||
| + | #!/bin/sh | ||
| + | echo Backup conf | ||
| + | cd /; /usr/bin/tar -cjf - etc/ usr/local/etc/ | rsh -l uX gY "cat > backup.tbz" | ||
| + | |||
| + | [hostX:~] # chmod +x backup.sh | ||
| + | </code> | ||
| + | ===== Сервис cron ===== | ||
| + | <code> | ||
| + | [hostX:~] # crontab -e | ||
| + | |||
| + | [hostX:~] # crontab -l | ||
| + | 0 0 * * * /usr/sbin/freebsd-update cron | ||
| + | 0 0 * * * /usr/sbin/portsnap cron | ||
| + | 0 0 * * * /root/backup.sh | ||
| + | |||
| + | |||
| + | [hostX:~] # crontab -l -u root | ||
| + | ... | ||
| - | [gX:~] # crontab -r | + | [hostX:~] # crontab -r |
| </code> | </code> | ||
| Line 18: | Line 50: | ||
| <code> | <code> | ||
| - | [gX:~] # periodic daily | + | [hostX:~] # periodic daily |
| - | [gX:~] # more /var/mail/root | + | [hostX:~] # more /var/mail/root |
| - | [gX:~] # rm /var/mail/root | + | [hostX:~] # rm /var/mail/root |
| </code> | </code> | ||
| Line 28: | Line 60: | ||
| ==== Настройка ==== | ==== Настройка ==== | ||
| <code> | <code> | ||
| - | [gX:~] # grep df /etc/defaults/periodic.conf | + | [hostX:~] # grep df /etc/defaults/periodic.conf |
| - | [gX:~] # cat /etc/periodic.conf | + | [hostX:~] # cat /etc/periodic.conf |
| daily_status_disks_df_flags="-h -t ufs" | daily_status_disks_df_flags="-h -t ufs" | ||
| </code> | </code> | ||
| Line 36: | Line 68: | ||
| ==== Расширение ==== | ==== Расширение ==== | ||
| <code> | <code> | ||
| - | [gX:~] # pkg_add /usr/ports/packages/All/portaudit.tbz | + | [hostX:~] # pkg_add /usr/ports/packages/All/portaudit.tbz |
| - | [gX:~] # ls /usr/local/etc/periodic/security | + | [hostX:~] # ls /usr/local/etc/periodic/security |
| - | [gX:~] # periodic daily | + | [hostX:~] # cp backup.sh /usr/local/etc/periodic/daily/ |
| - | [gX:~] # more /var/mail/root | + | [hostX:~] # periodic daily |
| + | |||
| + | [hostX:~] # more /var/mail/root | ||
| </code> | </code> | ||
| - | ===== Система at ===== | + | |
| + | |||
| + | ===== Система atrun ===== | ||
| <code> | <code> | ||
| - | [gX:~] # echo "/bin/date > /dev/console" | at now + 3 minutes | + | [hostX:~] # echo "/bin/date > /dev/console" | at now + 3 minutes |
| - | [gX:~] # echo "/bin/date > /dev/console" | at 18:40 | + | [hostX:~] # echo "/bin/date > /dev/console" | at 18:40 |
| - | [gX:~] # echo "rm –rf /*" | at 23:59 12/31/2015 | + | [hostX:~] # echo "rm –rf /*" | at 23:59 12/31/2015 |
| - | [gX:~] # atq | + | [hostX:~] # atq |
| - | [gX:~] # atrm 3 | + | [hostX:~] # atrm 3 |
| - | [gX:~] # at -c 2 | + | [hostX:~] # at -c 2 |
| ... | ... | ||
| </code> | </code> | ||
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